Portland Harbour - Sandsfoot Castle (Beach) (Dorset) weather

Here are our top tips to keep you, your friends and family safe at the beach with links to Royal National Lifeboat Institution (RNLI) and Met Office advice.



Forecast days

Partly cloudy.
Beach safety today
Caution: strong winds may affect your paddling
  • • paddleboarding not recommended for beginners/intermediate
  • • experienced paddlers should use caution

Tide: Next low tide (1.1m) at

Sunrise iconSunrise:
Sunset iconSunset:
H UV
L Pollution

    7 day forecast for Portland Harbour - Sandsfoot Castle (Beach)

    Today (23 June 2025)
    Time
    23:00
    Weather symbols Partly cloudy night
    Chance of precipitation
    <5%
    Temperature
    16°
    Feels like temperature (°C)
    14°
    Wind direction and speed
    W
    12
    Wind gust (mph)
    23
    Visibility
    VG
    Humidity
    72%
    UV -
    Wind direction and speed
    12
    Height of waves offshore (m)
    0.1
    Period of waves offshore (s)
    5
    Direction of waves offshore
    Tuesday (24 June 2025)
    Time
    00:00
    01:00
    02:00
    03:00
    04:00
    05:00
    06:00
    07:00
    08:00
    09:00
    10:00
    11:00
    12:00
    13:00
    14:00
    15:00
    16:00
    17:00
    18:00
    19:00
    20:00
    21:00
    22:00
    23:00
    Weather symbols Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night Partly cloudy night Partly cloudy night
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    16°
    16°
    17°
    17°
    17°
    17°
    18°
    18°
    18°
    18°
    18°
    18°
    18°
    17°
    17°
    16°
    16°
    Feels like temperature (°C)
    13°
    13°
    13°
    13°
    13°
    12°
    12°
    13°
    14°
    14°
    14°
    14°
    14°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    15°
    Wind direction and speed (mph)
    W
    12
    W
    12
    WSW
    12
    WSW
    11
    WSW
    12
    WSW
    13
    WSW
    15
    WSW
    15
    WSW
    15
    SW
    16
    SW
    16
    SW
    17
    SW
    17
    SW
    18
    SW
    18
    SW
    18
    SW
    18
    SW
    18
    SW
    18
    SW
    17
    WSW
    16
    WSW
    14
    WSW
    13
    WSW
    11
    Wind gust (mph)
    21
    21
    21
    21
    22
    23
    24
    25
    26
    27
    28
    28
    28
    29
    29
    28
    28
    28
    27
    25
    23
    21
    19
    18
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    G
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    75%
    75%
    75%
    76%
    80%
    85%
    85%
    85%
    85%
    85%
    85%
    84%
    84%
    83%
    83%
    83%
    83%
    85%
    86%
    88%
    92%
    95%
    96%
    96%
    UV - - - - 1 1 1 1 1 2 2 3 4 5 5 5 3 2 1 1 1 1 - -
    Wind direction and speed (mph)
    12
    12
    11
    12
    12
    13
    15
    15
    15
    16
    16
    17
    17
    18
    18
    18
    18
    18
    18
    17
    16
    14
    13
    11
    Height of waves offshore (m)
    0.1
    0.1
    0.1
    0.1
    0.1
    0.1
    0.1
    0.1
    0.1
    0.1
    0.2
    0.2
    0.3
    0.3
    0.3
    0.3
    0.3
    0.3
    0.2
    0.2
    0.2
    0.2
    0.2
    0.2
    Period of waves offshore (s)
    4
    4
    4
    4
    2
    2
    2
    2
    6
    2
    2
    2
    2
    2
    2
    2
    2
    2
    2
    2
    2
    2
    5
    5
    Direction of waves offshore
    Wednesday (25 June 2025)
    Time
    00:00
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Partly cloudy night Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy
    Chance of precipitation
    <5%
    <5%
    <5%
    <5%
    20%
    40%
    40%
    30%
    30%
    Temperature (°C)
    16°
    16°
    15°
    16°
    18°
    19°
    18°
    17°
    17°
    Feels like temperature (°C)
    15°
    15°
    15°
    16°
    17°
    18°
    18°
    17°
    16°
    Wind direction and speed (mph)
    WSW
    10
    WSW
    9
    WSW
    6
    WSW
    4
    SW
    6
    SSW
    7
    SSW
    7
    SW
    7
    W
    7
    Wind gust (mph)
    17
    15
    10
    10
    14
    15
    14
    11
    13
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    E
    E
    VG
    VG
    Humidity
    97%
    97%
    96%
    89%
    80%
    77%
    79%
    87%
    92%
    UV - - 1 1 4 6 4 1 -
    Wind direction and speed (mph)
    10
    9
    6
    4
    6
    7
    7
    7
    7
    Height of waves offshore (m)
    0.2
    0.2
    0.1
    0.1
    0.1
    0.1
    0.1
    0.0
    0.0
    Period of waves offshore (s)
    4
    4
    4
    3
    5
    4
    4
    3
    9
    Direction of waves offshore
    Thursday (26 June 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Cloudy Overcast Cloudy Sunny intervals Sunny intervals Sunny intervals Sunny intervals Partly cloudy night
    Chance of precipitation
    40%
    50%
    50%
    20%
    10%
    10%
    10%
    <5%
    Temperature (°C)
    17°
    16°
    17°
    18°
    19°
    19°
    18°
    17°
    Feels like temperature (°C)
    16°
    15°
    15°
    15°
    16°
    15°
    15°
    14°
    Wind direction and speed (mph)
    WSW
    7
    WSW
    10
    SW
    13
    SW
    16
    SW
    17
    SW
    18
    WSW
    17
    WSW
    14
    Wind gust (mph)
    18
    23
    27
    30
    31
    29
    27
    23
    Visibility (description)
    VG
    VG
    VG
    VG
    E
    E
    E
    VG
    Humidity
    92%
    94%
    95%
    91%
    72%
    66%
    72%
    79%
    UV - - 1 3 6 4 1 -
    Wind direction and speed (mph)
    7
    10
    13
    16
    17
    18
    17
    15
    Height of waves offshore (m)
    0.1
    0.5
    0.6
    1.0
    1.2
    1.3
    1.1
    1.1
    Period of waves offshore (s)
    4
    3
    4
    4
    5
    6
    6
    6
    Direction of waves offshore
    Friday (27 June 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Partly cloudy night Sunny intervals Sunny intervals Sunny intervals Sunny intervals Sunny intervals Cloudy Overcast
    Chance of precipitation
    <5%
    10%
    <5%
    10%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    16°
    16°
    17°
    19°
    19°
    19°
    18°
    17°
    Feels like temperature (°C)
    14°
    14°
    14°
    15°
    16°
    16°
    16°
    15°
    Wind direction and speed (mph)
    SW
    15
    SW
    16
    SW
    17
    SW
    18
    SW
    19
    SW
    19
    SW
    17
    SW
    14
    Wind gust (mph)
    23
    27
    30
    31
    31
    31
    28
    23
    Visibility (description)
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    VG
    Humidity
    86%
    88%
    86%
    82%
    78%
    78%
    86%
    93%
    UV - - 1 5 6 4 1 -
    Wind direction and speed (mph)
    15
    16
    17
    18
    19
    19
    17
    14
    Height of waves offshore (m)
    1.0
    0.9
    1.0
    1.1
    1.2
    1.3
    1.3
    1.3
    Period of waves offshore (s)
    6
    6
    5
    5
    6
    6
    6
    6
    Direction of waves offshore
    Saturday (28 June 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Overcast Overcast Overcast Overcast Sunny intervals Sunny intervals Sunny intervals Cloudy
    Chance of precipitation
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    10%
    Temperature (°C)
    17°
    17°
    17°
    19°
    20°
    21°
    20°
    17°
    Feels like temperature (°C)
    15°
    15°
    16°
    17°
    18°
    19°
    19°
    17°
    Wind direction and speed (mph)
    WSW
    12
    WSW
    11
    WSW
    10
    SW
    11
    SW
    13
    SW
    12
    WSW
    11
    WSW
    6
    Wind gust (mph)
    20
    18
    19
    22
    24
    24
    18
    9
    Visibility (description)
    VG
    VG
    G
    VG
    VG
    VG
    VG
    G
    Humidity
    95%
    96%
    94%
    88%
    82%
    80%
    83%
    95%
    UV - - 1 3 6 4 1 -
    Wind direction and speed (mph)
    12
    11
    9
    11
    13
    12
    11
    6
    Height of waves offshore (m)
    1.3
    1.2
    1.1
    1.0
    1.1
    1.2
    1.1
    0.9
    Period of waves offshore (s)
    6
    6
    6
    6
    5
    5
    5
    6
    Direction of waves offshore
    Sunday (29 June 2025)
    Time
    01:00
    04:00
    07:00
    10:00
    13:00
    16:00
    19:00
    22:00
    Weather symbols Overcast Overcast Overcast Cloudy Sunny intervals Sunny intervals Sunny intervals Partly cloudy night
    Chance of precipitation
    10%
    10%
    10%
    10%
    <5%
    <5%
    <5%
    <5%
    Temperature (°C)
    16°
    16°
    16°
    19°
    21°
    21°
    21°
    17°
    Feels like temperature (°C)
    16°
    16°
    16°
    18°
    20°
    20°
    20°
    17°
    Wind direction and speed (mph)
    WSW
    5
    WSW
    5
    SW
    5
    SSW
    8
    SSW
    10
    SW
    10
    SW
    9
    SSW
    5
    Wind gust (mph)
    7
    7
    11
    15
    16
    14
    11
    6
    Visibility (description)
    G
    G
    G
    G
    G
    VG
    VG
    G
    Humidity
    97%
    98%
    94%
    85%
    78%
    74%
    78%
    94%
    UV - - 1 4 7 4 1 -
    Wind direction and speed (mph)
    5
    Height of waves offshore (m)
    0.7
    Period of waves offshore (s)
    6
    Direction of waves offshore

    Tide times

    Monday 23 June

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Monday 23 June

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Monday 23 June

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Monday 23 June

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Tuesday 24 June

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Tuesday 24 June

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Tuesday 24 June

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Tuesday 24 June

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Wednesday 25 June

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Wednesday 25 June

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Wednesday 25 June

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Wednesday 25 June

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Thursday 26 June

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Thursday 26 June

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Thursday 26 June

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Thursday 26 June

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Friday 27 June

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Friday 27 June

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Friday 27 June

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Friday 27 June

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Saturday 28 June

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Saturday 28 June

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Saturday 28 June

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Saturday 28 June

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Sunday 29 June

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Sunday 29 June

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Sunday 29 June

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    Tide times

    Sunday 29 June

    Tide times and heights are from Chesil Cove tidal station which is 1.9 miles away. So times may be different at this beach. What does this mean?

    Contains ADMIRALTY® tidal data: © Crown Copyright and database right.

    UK video forecast

    Portland Harbour - Sandsfoot Castle (Beach) weather map

    View the weather with our interactive map

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    South West England weather forecast

    Headline:

    Turning cloudy, with the risk of some rain.

    This Evening and Tonight:

    A fine end to the day. Cloud gradually thickening from the west overnight with outbreaks of rain possible across some western parts of the region by the end of the night. Remaining breezy. Minimum temperature 11 °C.

    Tuesday:

    A cloudy start on Tuesday with patchy outbreaks of rain and drizzle, persistent over west-facing hills. Some brighter spells developing through the afternoon, and winds gradually easing. Maximum temperature 22 °C.

    Outlook for Wednesday to Friday:

    Sunny spells and scattered showers on Wednesday. Rather cloudy on Thursday with rain spreading eastwards later into Friday. Increasingly windy by Friday, and temperatures around or a little above average.

    Updated:

    UK long range weather forecast

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